Wound therapy systems and methods with multiple power sources

Abstract

The present disclosure provides in part improved apparatuses, systems, and methods for providing therapy to a wound. A system can include a first power source configured to power an electronic component and a second power source configured to power the electronic component in place of the first power source. Responsive to a first condition, the second power source can power the electronic component in place of the first power source. In some cases, the system can include a pressure source that is configured to provide negative pressure to a wound dressing positioned over a wound. The wound dressing can support the first power source or the second power source.

What is claimed is: 
     
       1. A negative pressure wound therapy system comprising:
 a negative pressure source configured to provide negative pressure to a wound dressing positioned over a wound; 
 an electronic control circuitry configured to operate the negative pressure source and communicate with a first set of electronic components and a second set of electronic components; 
 a primary power source configured to provide power to the first set of electronic components; and 
 a secondary power source comprising a capacitor configured to store energy and further configured to provide power to the second set of electronic components, wherein the second set of electronic components operates using a greater amount of current than the first set of electronic components, 
 wherein the first set of electronic components does not receive power from the secondary power source and the second set of electronic components does not receive power from the primary power source during a first time interval, and 
 wherein the electronic control circuitry is configured to:
 detect an occurrence of a first condition indicating that the primary power source is unable to provide sufficient power to the first set of electronic components for the first set of electronic components to operate; and 
 responsive to detection of the occurrence of the first condition, cause the secondary power source to provide power to the first set of electronic components during a second time interval. 
 
 
     
     
       2. The negative pressure wound therapy system of  claim 1 , wherein the first condition corresponds to at least one of a remaining capacity or temperature of the primary power source. 
     
     
       3. The negative pressure wound therapy system of  claim 1 , wherein the primary power source comprises a battery. 
     
     
       4. The negative pressure wound therapy system of  claim 1 , wherein the first set of electronic components comprises at least one of a clock circuitry, a wireless communications device, a sensor, or an electrical stimulator. 
     
     
       5. The negative pressure wound therapy system of  claim 1 , wherein the second set of electronic components comprises one or more electrodes. 
     
     
       6. The negative pressure wound therapy system of  claim 1 , wherein the first set of electronic components comprises a sensor configured to be positioned proximate the wound and provide physiological data usable to monitor healing of the wound. 
     
     
       7. The negative pressure wound therapy system of  claim 1 , wherein the secondary power source is configured to be charged by a power source other than the primary power source. 
     
     
       8. The negative pressure wound therapy system of  claim 1 , wherein the secondary power source is configured to be charged by the primary power source. 
     
     
       9. The negative pressure wound therapy system of  claim 1 , wherein the electronic control circuitry is further configured to:
 detect an occurrence of a second condition indicating that the primary power source is able to provide sufficient power to the first set of electronic components for the first set of electronic components to operate; and 
 responsive to detection of the occurrence of the second condition, cause the first set of electronic components to be powered by the primary power source and not the secondary power source during a third time interval. 
 
     
     
       10. The negative pressure wound therapy system of  claim 9 , wherein the second condition corresponds to at least one of a remaining capacity or temperature of the primary power source. 
     
     
       11. A medical device comprising:
 an electronic control circuitry comprising a plurality of electronic components that includes a first set of electronic components and a second set of electronic components; 
 a primary power source configured to provide power to the first set of electronic components; and 
 a secondary power source configured to store energy and further configured to provide power to the second set of electronic components,
 wherein the first set of electronic components does not receive power from the secondary power source and the second set of electronic components does not receive power from the primary power source during a first time interval, and 
 wherein the electronic control circuitry is configured to:
 detect an occurrence of a first condition indicating that the primary power source is unable to provide sufficient power to the first set of electronic components for the first set of electronic components to operate; and 
 responsive to detection of the occurrence of the first condition, cause the secondary power source to provide power to the first set of electronic components during a second time interval. 
 
 
 
     
     
       12. The medical device of  claim 11 , wherein the first condition corresponds to at least one of a remaining capacity or temperature of the primary power source. 
     
     
       13. The medical device of  claim 11 , wherein the primary power source comprises a battery and the secondary power source comprises a capacitor. 
     
     
       14. The medical device of  claim 11 , wherein the second set of electronic components operates using a greater amount of power than the first set of electronic components. 
     
     
       15. The medical device of  claim 11 , wherein the first set of electronic components comprises at least one of a clock circuitry, a wireless communications device, a sensor, or an electrical stimulator, and wherein the second set of electronic components comprises one or more electrodes. 
     
     
       16. The medical device of  claim 11 , wherein the first set of electronic components comprises a sensor configured to be positioned proximate a wound and provide physiological data usable to monitor healing of the wound. 
     
     
       17. The medical device of  claim 11 , wherein the secondary power source is configured to be charged by a power source other than the primary power source. 
     
     
       18. The medical device of  claim 11 , wherein the secondary power source is configured to be charged by the primary power source. 
     
     
       19. The medical device of  claim 11 , wherein the electronic control circuitry is further configured to:
 detect an occurrence of a second condition indicating that the primary power source is able to provide sufficient power to the first set of electronic components for the first set of electronic components to operate; and 
 responsive to detection of the occurrence of the second condition, cause the first set of electronic components to be powered by the primary power source and not the secondary power source during a third time interval. 
 
     
     
       20. The medical device of  claim 19 , wherein the second condition corresponds to at least one of a remaining capacity or temperature of the primary power source.